[Mlir-commits] [mlir] [MLIR] Add sincos fusion pass (PR #161413)

[Ivan Butygin]

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@@ -0,0 +1,81 @@
+//===- SincosFusion.cpp - Fuse sin/cos into sincos -----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/Math/IR/Math.h"
+#include "mlir/Dialect/Math/Transforms/Passes.h"
+#include "mlir/IR/PatternMatch.h"
+// #include "mlir/Pass/Pass.h"
+#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
+
+using namespace mlir;
+using namespace mlir::math;
+
+namespace {
+
+/// Fuse a math.sin and math.cos in the same block that use the same operand and
+/// have identical fastmath flags into a single math.sincos.
+struct SincosFusionPattern : OpRewritePattern<math::SinOp> {
+  using OpRewritePattern<math::SinOp>::OpRewritePattern;
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Hardcode84 wrote:

I believe you no can just do `using Base::Base;`

https://github.com/llvm/llvm-project/pull/161413